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Hyundai IONIQ 6 vs Mercedes S-Class comparison

Compare performance (650 HP vs 635 HP), boot space and price (39,000 £ vs 104,000 £ ) at a glance. Find out which car is the better choice for you – Hyundai IONIQ 6 or Mercedes S-Class?

Hyundai IONIQ 6 vs Mercedes S-Class: Key differences

Hyundai IONIQ 6

4.6 (2 Reviews)
rate
  • significantly cheaper
  • marginally more power
  • significantly more electric range
  • markedly quicker 0–100 km/h
  • a bit lighter
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Mercedes S-Class

  • visibly more trunk space
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Here’s where it gets real: The technical differences in detail

IONIQ 6

Costs and Efficiency:

When it comes to price and running costs, the biggest differences usually appear. This is often where you see which car fits your budget better in the long run.

Hyundai IONIQ 6 is significantly cheaper – starting at 39,000 £ , while the Mercedes S-Class costs 104,000 £ . That’s a price difference of around 64,977 £.

As for electric range, the Hyundai IONIQ 6 offers significantly more range – reaching up to 680 km, about 562 km more than the Mercedes S-Class.

S-Class

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the Hyundai IONIQ 6 offers marginally more power – delivering 650 HP compared to 635 HP. That’s roughly 15 HP more horsepower.

When accelerating from 0 to 100 km/h, the Hyundai IONIQ 6 is markedly quicker – completing the sprint in 3.3 s, while the Mercedes S-Class takes 4 s. That’s about 0.7 s quicker.

There’s also a difference in torque: the Mercedes S-Class delivers very slightly more torque with 850 Nm compared to 770 Nm. That’s about 80 Nm more.

IONIQ 6

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Both vehicles offer seating for 5 people.

In terms of curb weight, Hyundai IONIQ 6 is a bit lighter – 1,892 kg compared to 2,165 kg. The difference is around 273 kg.

Looking at boot space, the Mercedes S-Class offers visibly more boot space – 530 L compared to 401 L. That’s a difference of about 129 L.

When it comes to payload, the Mercedes S-Class carries noticeably more – 660 kg compared to 438 kg. That’s a difference of about 222 kg.

Who wins the race in the data check?

The Hyundai IONIQ 6 is far ahead overall in the objective data comparison.
This result only shows which model scores more points on paper – not which of the two cars feels right for you.

from £39,000
IONIQ 6

Hyundai IONIQ 6

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type All-Wheel Drive, Rear-Wheel Drive
  • Power HP 170 - 650 HP
  • Consumption kWh/100km 13.4 - 18.7 kWh/100km
  • Electric Range 487 - 680 km
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Hyundai IONIQ 6
Mercedes S-Class

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Hyundai IONIQ 6

The Hyundai IONIQ 6 glides down the road with a poise that feels more runway model than commuter car, its sleek silhouette promising efficiency without trying too hard. Inside, a calm, minimalist cabin packed with clever, usable tech makes it a compelling choice for buyers who want electric motoring that's smart, stylish and quietly practical.

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Reviews Hyundai IONIQ 6

4.6 (2 Reviews)
rate

No reviews yet. Share your experience and help others decide.

Mercedes S-Class

The Mercedes S-Class wraps peerless comfort, whisper-quiet luxury and subtle tech wizardry into a chauffeur-ready package that still knows how to engage the driver. It’s the car for buyers who want to arrive relaxed, be taken seriously and occasionally enjoy a grin when the road reminds them this limousine can dance.

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Reviews Mercedes S-Class

No reviews yet. Share your experience and help others decide.

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Hyundai IONIQ 6
Mercedes S-Class

Costs and Consumption
Price
39,000 - 65,100 £
Price
104,000 - 201,400 £
Consumption L/100km
-
Consumption L/100km
2.2 - 11 L/100km
Consumption kWh/100km
13.4 - 18.7 kWh/100km
Consumption kWh/100km
-
Electric Range
487 - 680 km
Electric Range
98 - 118 km
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
50 - 252 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
Sedan
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,892 - 2,241 kg
Curb weight
2,165 - 2,650 kg
Trunk capacity
371 - 401 L
Trunk capacity
345 - 530 L
Length
-
Length
-
Width
1,880 - 1,940 mm
Width
1,921 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
386 - 438 kg
Payload
420 - 660 kg

Engine and Performance
Engine Type
Electric
Engine Type
Petrol MHEV, Plug-in Hybrid, Diesel MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Power HP
170 - 650 HP
Power HP
336 - 635 HP
Acceleration 0-100km/h
3.3 - 8.3 s
Acceleration 0-100km/h
4 - 5.7 s
Max Speed
-
Max Speed
-
Torque
350 - 770 Nm
Torque
560 - 850 Nm
Number of Cylinders
-
Number of Cylinders
6 - 8
Power kW
125 - 478 kW
Power kW
247 - 467 kW
Engine capacity
-
Engine capacity
2,989 - 3,982 cm3

General
Model Year
2026
Model Year
2026
CO2 Efficiency Class
A
CO2 Efficiency Class
G, B, F
Brand
Hyundai
Brand
Mercedes-Benz
What drive types are available for the Hyundai IONIQ 6?

The Hyundai IONIQ 6 is available as All-Wheel Drive or Rear-Wheel Drive.

DriveDuel uses data analysis and artificial intelligence to evaluate vehicle data and create content. Content is regularly reviewed and improved. The displayed prices are estimates based on German list prices, adjusted to the respective country’s VAT. Country-specific registration taxes are not included. This information is not legally binding.